/* Copyright */
/*******************************************************************************
 * The MIT License (MIT)
 *
 * Copyright (c) 2013 Tsunagi-BPM
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *******************************************************************************/
 /* Copyright End */
 
package tsunagi.json.path;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public enum JsonPathUtil {
	INSTANCE;
	
	public JsonObjectType identifyObjectType(JSONObject obj, String token) {
		try {
			Object prop = obj.get(token);
			if (prop != null && !(prop instanceof JSONObject) && !(prop instanceof JSONArray)) {
				return JsonObjectType.PROPERTY;
			}
		} catch (JSONException e) {
			// go to next step
		}
		try {
			JSONObject json = obj.getJSONObject(token);
			if (json != null) {
				return JsonObjectType.OBJECT;
			}
		} catch (JSONException e) {
			// go to next step
		}
		try {
			JSONArray array = obj.getJSONArray(token);
			if (array != null) {
				return JsonObjectType.ARRAY;
			}
		} catch (JSONException e) {
			// go to next step
		}
		return null;
	}
}
